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Related Experiment Videos

Ghost cells in complex odontoma: a light microscopic and SEM study.

B Kerebel, L M Kerebel

    Oral Surgery, Oral Medicine, and Oral Pathology
    |April 1, 1985
    PubMed
    Summary
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    Ghost cells in complex odontomas undergo metaplastic transformation and passive calcification. These cells, found in various locations within odontomas, may lose their normal developmental properties.

    Area of Science:

    • Oral pathology
    • Developmental biology
    • Cellular biology

    Background:

    • Complex odontomas are benign odontogenic tumors.
    • Ghost cells are a characteristic feature observed in odontomas.
    • The exact nature and role of ghost cells in odontoma development are not fully understood.

    Purpose of the Study:

    • To investigate the characteristics and location of ghost cells in complex odontomas.
    • To elucidate the process of keratinization and calcification in ghost cells.
    • To understand the cellular behavior and potential loss of function in odontogenic epithelial cells within complex odontomas.

    Main Methods:

    • Light microscopic examination of decalcified sections.
    • Scanning electron microscopic examination of decalcified sections.

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  • Histopathological analysis of cellular morphology and matrix deposition.

    • Main Results:

    • Ghost cells were identified in diverse locations within complex odontomas, adjacent to dentin, enamel matrix remnants, calcified masses, and odontogenic epithelium.
    • Cytoplasmic analysis revealed a fibrillar component and absence of keratohyaline granules.
    • Ghost cell keratinization was characterized as a metaplastic transformation with passive entrapment within various calcified materials.
    • Complex odontomas harbor both normal and metaplastic odontogenic epithelial cells, some exhibiting altered developmental properties.

    Conclusions:

    • Ghost cell keratinization in complex odontomas is a metaplastic process.
    • Calcification of ghost cells is a passive phenomenon.
    • Metaplastic odontogenic epithelial cells in complex odontomas may exhibit compromised developmental and inductive functions.